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<p class="subTitle">org.apache.poi.util</p>
<h2 title="Class CommonsLogger" class="title">Class CommonsLogger</h2>
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<li>java.lang.Object</li>
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<li><a href="../../../../org/apache/poi/util/POILogger.html" title="class in org.apache.poi.util">org.apache.poi.util.POILogger</a></li>
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<li>org.apache.poi.util.CommonsLogger</li>
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<pre>public class <strong>CommonsLogger</strong>
extends <a href="../../../../org/apache/poi/util/POILogger.html" title="class in org.apache.poi.util">POILogger</a></pre>
<div class="block">A logger class that strives to make it as easy as possible for
 developers to write log calls, while simultaneously making those
 calls as cheap as possible by performing lazy evaluation of the log
 message.<p></div>
<dl><dt><span class="strong">Author:</span></dt>
  <dd>Marc Johnson (mjohnson at apache dot org), Glen Stampoultzis (glens at apache.org), Nicola Ken Barozzi (nicolaken at apache.org)</dd></dl>
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<h3>Fields inherited from class&nbsp;org.apache.poi.util.<a href="../../../../org/apache/poi/util/POILogger.html" title="class in org.apache.poi.util">POILogger</a></h3>
<code><a href="../../../../org/apache/poi/util/POILogger.html#DEBUG">DEBUG</a>, <a href="../../../../org/apache/poi/util/POILogger.html#ERROR">ERROR</a>, <a href="../../../../org/apache/poi/util/POILogger.html#FATAL">FATAL</a>, <a href="../../../../org/apache/poi/util/POILogger.html#INFO">INFO</a>, <a href="../../../../org/apache/poi/util/POILogger.html#LEVEL_STRINGS">LEVEL_STRINGS</a>, <a href="../../../../org/apache/poi/util/POILogger.html#LEVEL_STRINGS_SHORT">LEVEL_STRINGS_SHORT</a>, <a href="../../../../org/apache/poi/util/POILogger.html#WARN">WARN</a></code></li>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><strong><a href="../../../../org/apache/poi/util/CommonsLogger.html#CommonsLogger()">CommonsLogger</a></strong>()</code>&nbsp;</td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<tr class="altColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/CommonsLogger.html#check(int)">check</a></strong>(int&nbsp;level)</code>
<div class="block">Check if a logger is enabled to log at the specified level</div>
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<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/CommonsLogger.html#initialize(java.lang.String)">initialize</a></strong>(java.lang.String&nbsp;cat)</code>&nbsp;</td>
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<tr class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/CommonsLogger.html#log(int, java.lang.Object)">log</a></strong>(int&nbsp;level,
   java.lang.Object&nbsp;obj1)</code>
<div class="block">Log a message</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../org/apache/poi/util/CommonsLogger.html#log(int, java.lang.Object, java.lang.Throwable)">log</a></strong>(int&nbsp;level,
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<div class="block">Log a message</div>
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<h4>CommonsLogger</h4>
<pre>public&nbsp;CommonsLogger()</pre>
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<pre>public&nbsp;void&nbsp;initialize(java.lang.String&nbsp;cat)</pre>
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<dd><code><a href="../../../../org/apache/poi/util/POILogger.html#initialize(java.lang.String)">initialize</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/poi/util/POILogger.html" title="class in org.apache.poi.util">POILogger</a></code></dd>
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<pre>public&nbsp;void&nbsp;log(int&nbsp;level,
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<div class="block">Log a message</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/poi/util/POILogger.html#log(int, java.lang.Object)">log</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/poi/util/POILogger.html" title="class in org.apache.poi.util">POILogger</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>level</code> - One of DEBUG, INFO, WARN, ERROR, FATAL</dd><dd><code>obj1</code> - The object to log.</dd></dl>
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<pre>public&nbsp;void&nbsp;log(int&nbsp;level,
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<div class="block">Log a message</div>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/poi/util/POILogger.html#log(int, java.lang.Object, java.lang.Throwable)">log</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/poi/util/POILogger.html" title="class in org.apache.poi.util">POILogger</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>level</code> - One of DEBUG, INFO, WARN, ERROR, FATAL</dd><dd><code>obj1</code> - The object to log.  This is converted to a string.</dd><dd><code>exception</code> - An exception to be logged</dd></dl>
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<pre>public&nbsp;boolean&nbsp;check(int&nbsp;level)</pre>
<div class="block">Check if a logger is enabled to log at the specified level</div>
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<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../org/apache/poi/util/POILogger.html#check(int)">check</a></code>&nbsp;in class&nbsp;<code><a href="../../../../org/apache/poi/util/POILogger.html" title="class in org.apache.poi.util">POILogger</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>level</code> - One of DEBUG, INFO, WARN, ERROR, FATAL</dd></dl>
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